UGenesise 17:17-21

U-Abrahama wawa ngobuso bakhe, wahleka, wathi enhliziyweni yakhe: “Oneminyaka eyikhulu uyakuzalelwa na? noSara oneminyaka engamashumi ayisishiyagalolunye uyakuzala na? U-Abrahama wathi kuNkulunkulu: “U-Ishmayeli makaphile phambi kwakho! UNkulunkulu wathi: Impela umkakho uSara uzakukuzalela indodana; uyakuqamba igama layo ngokuthi u-Isaka, ngimise isivumelwano sami naye, sibe yisivumelwano esiphakade nenzalo yakhe emva kwakhe. Ngokuqondene no-Ishmayeli ngikuzwile: Bheka, ngimbusisile futhi ngizomenza azale futhi ngimandise kakhulukazi; uyakuzala izikhulu eziyishumi nambili, ngimenze isizwe esikhulu. Kodwa ngizamisa isivumelwano sami loIsaka, uSara azakuzalela yena ngalesisikhathi esimisiweyo ngomnyaka olandelayo.